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test_that("rotate data works as expected", {
df <- mtcars[1:3, 1:4]
expect_equal(
data_rotate(df),
structure(
list(
`Mazda RX4` = c(21, 6, 160, 110),
`Mazda RX4 Wag` = c(21, 6, 160, 110),
`Datsun 710` = c(22.8, 4, 108, 93)
),
class = "data.frame",
row.names = c("mpg", "cyl", "disp", "hp")
)
)
expect_equal(
data_rotate(df, rownames = "property"),
structure(
list(
property = c("mpg", "cyl", "disp", "hp"),
`Mazda RX4` = c(21, 6, 160, 110),
`Mazda RX4 Wag` = c(21, 6, 160, 110),
`Datsun 710` = c(22.8, 4, 108, 93)
),
class = "data.frame",
row.names = c(NA, 4L)
)
)
expect_equal(
data_rotate(df, colnames = TRUE),
structure(
list(
`21` = c(6, 160, 110),
`21` = c(6, 160, 110),
`22.8` = c(4, 108, 93)
),
class = "data.frame",
row.names = c("cyl", "disp", "hp")
)
)
expect_equal(
data_rotate(df, rownames = "property", colnames = TRUE),
structure(
list(
property = c("cyl", "disp", "hp"),
`21` = c(6, 160, 110),
`21` = c(6, 160, 110),
`22.8` = c(4, 108, 93)
),
class = "data.frame",
row.names = c(NA, 3L)
)
)
})
test_that("data_rotate, arg 'colnames' works", {
df <- mtcars[1:3, 1:4]
df <- rownames_as_column(df)
expected <- data.frame(
`Mazda RX4` = c(21, 6, 160, 110),
`Mazda RX4 Wag` = c(21, 6, 160, 110),
`Datsun 710` = c(22.8, 4, 108, 93),
check.names = FALSE
)
row.names(expected) <- c("mpg", "cyl", "disp", "hp")
expect_identical(
data_rotate(df, colnames = "rowname"),
expected
)
})
test_that("data_rotate warns if mixed types of data", {
df <- mtcars[1:3, 1:4]
df <- rownames_as_column(df)
expect_warning(
data_rotate(df),
"mixed types of data"
)
df$rowname <- factor(df$rowname)
expect_warning(
data_rotate(df),
"mixed types of data"
)
})
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